Finding the Fourth Proportional to 449,133.17, 619,907.97 and 296,198.96
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Solution
The fourth proportional to 449,133.17, 619,907.97 and 296,198.96 is: 408,823.28
Step by Step Solution
- Step 1: Write the proportion equation
449,133.17 : 619,907.97 = 296,198.96 : x - Step 2: Convert to fraction form
449,133.17/619,907.97 = 296,198.96/x - Step 3: Cross multiply
449,133.17x = 619,907.97 × 296,198.96 - Step 4: Simplify right side
449,133.17x = 183,616,096,009.71 - Step 5: Solve for x
x = 183,616,096,009.71/449,133.17 - Step 6: Final answer
x = 408,823.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.